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Machine Screws

Machine Screws

Bolt and Nut Australia carry the largest range of all types of Machine screws. Machine screws are very popular because of the range of head styles, diameters, lengths and finishes they are available in and they are low cost. We have Button head, Countersunk head, Cheese head, Mushroom head, Pan head, Raised head, Round Head and Wing head in phillips, slotted, torx, post torx, post hex, one way, snake eye and combination drive. You can buy them in Stainless Steel A2-70 G304, Stainless Steel A4-70 G316, Zinc Plated, Brass and Zinc Black. Our range starts at M1.6 to M10 Metric Coarse and #0 - #12, 3/16" to 5/16" American inch threads UNC (unified national coarse), UNF (unified national fine) and BSW (british standard whitworth). Technical specifications, printable datasheets and product cad drawings available online. Delivered freight free from our Brisbane warehouse with no minimum order qty or spend.

  1. Button Flange Head
  2. Button Head
  3. Cap Head
  4. Cheese Head
  5. Countersunk Head
  6. Mushroom Head
  7. Pan Head
  8. Raised Head
  9. Round Head
  10. Sems
  11. Thread Rolling Screws
  12. Wing Head
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  1. Free shipping

    In stock

    M1.6 x 0.35p Metric Coarse Stainless A4-70 G316 Socket (1.5mm Key) Head Cap Screws DIN 912 / ISO 4762
    M1.6 x 0.35p Metric Coarse Stainless A4-70 G316 Socket (1.5mm Key) Head Cap Screws DIN 912 / ISO 4762
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  2. Free shipping

    In stock

    M2 x 0.40p Metric Coarse Stainless A4-70 G316 Socket (1.5mm Key) Head Cap Screws DIN 912 / ISO 4762
    M2 x 0.40p Metric Coarse Stainless A4-70 G316 Socket (1.5mm Key) Head Cap Screws DIN 912 / ISO 4762
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  3. Free shipping

    In stock

    M2 x 0.40p Metric Coarse Stainless A4-70 G316 Socket (T6) Machine Screws ISO 14579
    M2 x 0.40p Metric Coarse Stainless A4-70 G316 Socket (T6) Machine Screws ISO 14579
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  4. Free shipping

    In stock

    M2.5 x 0.45p Metric Coarse Stainless A4-70 G316 Socket (2mm Key) Head Cap Screws DIN 912 / ISO 4762
    M2.5 x 0.45p Metric Coarse Stainless A4-70 G316 Socket (2mm Key) Head Cap Screws DIN 912 / ISO 4762
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  5. Free shipping

    In stock

    M2.5 x 0.45p Metric Coarse Stainless A4-70 G316 Socket (T8) Machine Screws ISO 14579
    M2.5 x 0.45p Metric Coarse Stainless A4-70 G316 Socket (T8) Machine Screws ISO 14579
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  6. Free shipping

    In stock

    M3 x 0.50p Metric Coarse Stainless A4-70 G316 Socket (2.5mm Key) Head Cap Screws DIN 912 / ISO 4762
    M3 x 0.50p Metric Coarse Stainless A4-70 G316 Socket (2.5mm Key) Head Cap Screws DIN 912 / ISO 4762
    As low as

    Length From Under The Head

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  7. Free shipping

    In stock

    M4 x 0.70p Metric Coarse Stainless A4-70 G316 Socket (3mm Key) Head Cap Screws DIN 912 / ISO 4762
    M4 x 0.70p Metric Coarse Stainless A4-70 G316 Socket (3mm Key) Head Cap Screws DIN 912 / ISO 4762
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  8. Free shipping

    In stock

    M5 x 0.80p Metric Coarse Stainless A4-70 G316 Socket (4mm Key) Head Cap Screws DIN 912 / ISO 4762
    M5 x 0.80p Metric Coarse Stainless A4-70 G316 Socket (4mm Key) Head Cap Screws DIN 912 / ISO 4762
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  9. Free shipping

    In stock

    M6 x 1.00p Metric Coarse Stainless A4-70 G316 Socket (5mm Key) Head Cap Screws DIN 912 / ISO 4762
    M6 x 1.00p Metric Coarse Stainless A4-70 G316 Socket (5mm Key) Head Cap Screws DIN 912 / ISO 4762
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  10. Free shipping

    In stock

    M8 x 1.25p Metric Coarse Stainless A4-70 G316 Socket (6mm Key) Head Cap Screws DIN 912 / ISO 4762
    M8 x 1.25p Metric Coarse Stainless A4-70 G316 Socket (6mm Key) Head Cap Screws DIN 912 / ISO 4762
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  11. Free shipping

    In stock

    M10 x 1.50p Metric Coarse Stainless A4-70 G316 Socket (8mm Key) Head Cap Screws DIN 912 / ISO 4762
    M10 x 1.50p Metric Coarse Stainless A4-70 G316 Socket (8mm Key) Head Cap Screws DIN 912 / ISO 4762
    As low as

    Length From Under The Head

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  12. Free shipping

    In stock

    M12 x 1.75p Metric Coarse Stainless A4-70 G316 Socket (10mm Key) Head Cap Screws DIN 912 / ISO 4762
    M12 x 1.75p Metric Coarse Stainless A4-70 G316 Socket (10mm Key) Head Cap Screws DIN 912 / ISO 4762
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  13. Free shipping

    In stock

    M16 x 2.00p Metric Coarse Stainless A4-70 G316 Socket (14mm Key) Head Cap Screws DIN 912 / ISO 4762
    M16 x 2.00p Metric Coarse Stainless A4-70 G316 Socket (14mm Key) Head Cap Screws DIN 912 / ISO 4762
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  14. Free shipping

    In stock

    M20 x 2.50p Metric Coarse Stainless A4-70 G316 Socket (17mm Key) Head Cap Screws DIN 912 / ISO 4762
    M20 x 2.50p Metric Coarse Stainless A4-70 G316 Socket (17mm Key) Head Cap Screws DIN 912 / ISO 4762
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  15. Free shipping

    In stock

    #6-32 TPI UNC Coarse Stainless A4-70 G316 Socket (7/64" Key) Head Cap Screws ANSI B18.3
    #6-32 TPI UNC Coarse Stainless A4-70 G316 Socket (7/64" Key) Head Cap Screws ANSI B18.3
    As low as

    Length From Under The Head

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  16. Free shipping

    In stock

    #8-32 TPI UNC Coarse Stainless A4-70 G316 Socket (9/64" Key) Head Cap Screws ANSI B18.3
    #8-32 TPI UNC Coarse Stainless A4-70 G316 Socket (9/64" Key) Head Cap Screws ANSI B18.3
    As low as

    Length From Under The Head

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  17. Free shipping

    In stock

    #10-24 (3/16") x 24 TPI UNC Coarse Stainless A4-70 G316 Socket (5/32" Key) Head Cap Screws ANSI B18.3
    #10-24 (3/16") x 24 TPI UNC Coarse Stainless A4-70 G316 Socket (5/32" Key) Head Cap Screws ANSI B18.3
    As low as

    Length From Under The Head

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  18. Free shipping

    In stock

    #10-32 (3/16") x 32 TPI UNF Fine Stainless A4-70 G316 Socket (5/32" Key) Head Cap Screws ANSI B18.3
    #10-32 (3/16") x 32 TPI UNF Fine Stainless A4-70 G316 Socket (5/32" Key) Head Cap Screws ANSI B18.3
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  19. Free shipping

    In stock

    1/4" x 20 TPI UNC Coarse Stainless A4-70 G316 Socket (3/16" Key) Head Cap Screws ANSI B18.3
    1/4" x 20 TPI UNC Coarse Stainless A4-70 G316 Socket (3/16" Key) Head Cap Screws ANSI B18.3
    As low as

    Length From Under The Head

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  20. Free shipping

    In stock

    5/16" x 18 TPI UNC Coarse Stainless A4-70 G316 Socket (1/4" Key) Head Cap Screws ANSI B18.3
    5/16" x 18 TPI UNC Coarse Stainless A4-70 G316 Socket (1/4" Key) Head Cap Screws ANSI B18.3
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  21. Free shipping

    In stock

    3/8" x 16 TPI UNC Coarse Stainless A4-70 G316 Socket (5/16" Key) Head Cap Screws ANSI B18.3
    3/8" x 16 TPI UNC Coarse Stainless A4-70 G316 Socket (5/16" Key) Head Cap Screws ANSI B18.3
    As low as

    Length From Under The Head

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  22. Free shipping

    In stock

    7/16" x 14 TPI UNC Coarse Stainless A4-70 G316 Socket (3/8" Key) Head Cap Screws ANSI B18.3
    7/16" x 14 TPI UNC Coarse Stainless A4-70 G316 Socket (3/8" Key) Head Cap Screws ANSI B18.3
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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  23. Free shipping

    In stock

    1/2" x 13 TPI UNC Coarse Stainless A4-70 G316 Socket (3/8" Key) Head Cap Screws ANSI B18.3
    1/2" x 13 TPI UNC Coarse Stainless A4-70 G316 Socket (3/8" Key) Head Cap Screws ANSI B18.3
    As low as

    Length From Under The Head

    Loader

    $0.00 ($0.00/ea)

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  24. Free shipping

    In stock

    5/8 x 11 TPI UNC Coarse Stainless A4-70 G316 Socket (1/2" Key) Head Cap Screws ANSI B18.3
    5/8 x 11 TPI UNC Coarse Stainless A4-70 G316 Socket (1/2" Key) Head Cap Screws ANSI B18.3
    As low as

    Length From Under The Head

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    $0.00 ($0.00/ea)

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24 Items found

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Set Descending Direction

Use Filter By to help narrow your search. Search by category, size, length, material / finish, head type and drive type etc. Using the filters can give you results that match your criteria, reducing the need to scroll through pages of unrelated items.

Filter by :
Selected Filters
  1. Class / Grade
    A4-70 G316
  2. Head Type
    Cap Head
Clear All
Filter By
Category
System of Measurement
  1. Metric 14 items
  2. Imperial 10 items
Size
  1. M1.6 (1.6mm) 1 item
  2. M2 (2mm) 2 items
  3. M2.5 (2.5mm) 2 items
  4. M3 (3mm) 1 item
  5. M4 (4mm) 1 item
  6. M5 (5mm) 1 item
  7. M6 (6mm) 1 item
  8. M8 (8mm) 1 item
  9. M10 (10mm) 1 item
  10. M12 (12mm) 1 item
  11. M16 (16mm) 1 item
  12. M20 (20mm) 1 item
  13. #6-32 1 item
  14. #8-32 1 item
  15. #10-24 (3/16") 1 item
  16. #10-32 (3/16") 1 item
  17. 1/4" 1 item
  18. 5/16" 1 item
  19. 3/8" 1 item
  20. 7/16" 1 item
  21. 1/2" 1 item
  22. 5/8" 1 item
Size & Thread Pitch
  1. M1.6 x 0.35p Coarse 1 item
  2. M2 x 0.40p Coarse 2 items
  3. M2.5 x 0.45p Coarse 2 items
  4. M3 x 0.50p Coarse 1 item
  5. M4 x 0.70p Coarse 1 item
  6. M5 x 0.80p Coarse 1 item
  7. M6 x 1.00p Coarse 1 item
  8. M8 x 1.25p Coarse 1 item
  9. M10 x 1.50p Coarse 1 item
  10. M12 x 1.75p Coarse 1 item
  11. M16 x 2.00p Coarse 1 item
  12. M20 x 2.50p Coarse 1 item
  13. #6-32 TPI UNC 1 item
  14. #8-32 TPI UNC 1 item
  15. #10-24 (3/16") x 24 TPI UNC 1 item
  16. #10-32 (3/16") x 32 TPI UNF 1 item
  17. 1/4" x 20 TPI UNC 1 item
  18. 5/16" x 18 TPI UNC 1 item
  19. 3/8" x 16 TPI UNC 1 item
  20. 7/16" x 14 TPI UNC 1 item
  21. 1/2" x 13 TPI UNC 1 item
  22. 5/8" x 11 TPI UNC 1 item
Thread Type
  1. Metric - Coarse 14 items
  2. UNC / BSW - Coarse 9 items
  3. UNF - Fine 1 item
Length
  1. 3mm 3 items
  2. 4mm 6 items
  3. 5mm 7 items
  4. 6mm 8 items
  5. 8mm 9 items
  6. 10mm 10 items
  7. 12mm 11 items
  8. 16mm 11 items
  9. 20mm 13 items
  10. 25mm 8 items
  11. 30mm 8 items
  12. 35mm 8 items
  13. 40mm 9 items
  14. 45mm 9 items
  15. 50mm 9 items
  16. 55mm 3 items
  17. 60mm 8 items
  18. 65mm 3 items
  19. 70mm 8 items
  20. 75mm 3 items
  21. 80mm 8 items
  22. 90mm 7 items
  23. 100mm 7 items
  24. 110mm 5 items
  25. 120mm 6 items
  26. 130mm 6 items
  27. 140mm 5 items
  28. 150mm 6 items
  29. 1/4" 1 item
  30. 3/8" 5 items
  31. 1/2" 3 items
  32. 5/8" 6 items
  33. 3/4" 7 items
  34. 1" 6 items
  35. 1-1/4" 5 items
  36. 1-1/2" 5 items
  37. 1-3/4" 3 items
  38. 2" 5 items
  39. 2-1/2" 4 items
  40. 3" 2 items
  41. 3-1/2" 1 item
  42. 4" 2 items
Material / Finish
  1. Stainless Steel 24 items
Class / Grade
  1. A2-70 G304 43 items
  2. A4-70 G316 24 items
  3. High Tensile Class 12.9 41 items
  4. High Tensile Grade 12.9 38 items
Corrosion Protection Level
  1. Ultimate 24 items
Head Type
  1. Button Flange Head 4 items
  2. Button Head 7 items
  3. Cap Head 24 items
  4. Cheese Head 4 items
  5. Countersunk Head 28 items
  6. Pan Head 12 items
  7. Round Head 2 items
  8. Wing Head 3 items
Drive Type
  1. Internal Hex 22 items
  2. Torx 2 items
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